#!/bin/sh

if [ $(busybox ps -w | grep getcpu | grep -v grep | wc -l) -le 2 ]; then
  AT=$(cat /proc/stat | grep "^cpu " | awk '{print $2+$3+$4+$5+$6+$7+$8 " " $2+$3+$4+$7+$8}')
  sleep 1
  BT=$(cat /proc/stat | grep "^cpu " | awk '{print $2+$3+$4+$5+$6+$7+$8 " " $2+$3+$4+$7+$8}')
  printf "%.01f%%" $(echo $AT $BT | awk '{print (($4-$2)/($3-$1))*100}') >/tmp/cpuusage
fi
